| 1 | As MáquinasBC DER 15 | Cover | 1 | | Napoleão Figueiredo | The Beagle Boys, One of the Beagle Boys, Grandma Duck, Goofy, Gyro Gearloose, Huey, Dewey and Louie and 4 more |
| 2 | As MáquinasB DER 15-FPFrontispiece page | Illustration | 1 | | | Gyro Gearloose |
| 3 | O Dia em Que Patópolis ParouW US 58-02 | Story | 20 | Carl Barks | Carl Barks | The Beagle Boys, Donald Duck, Huey, Dewey and Louie, Pig mayor, Uncle Scrooge |
| 4 | A Máquina de PensarW MM 59-04 | Story | 9 | | Paul Murry | Dr. Anode, Goofy, Morty and Ferdie, Mickey Mouse, Prof. Skizor |
| 5 | O Condutor TelepáticoW OS 965-01 | Story | 8 | Vic Lockman | Tony Strobl, John Liggera | Brer Fox, Billy Goat, Brer Weasel, Grandma Duck, Gus Goose, Huey, Dewey and Louie |
| 6 | Teu Nome é EficiênciaW WDC 338-01 | Story | 10 | | Tony Strobl | Donald Duck, Emil Eagle, Gyro Gearloose, Huey, Dewey and Louie, Uncle Scrooge |
| 7 | Os "Mecanimais" do SítioS 63018 | Story | 8 | | Tony Strobl, Steve Steere | Dobbin, Grandma Duck, Gus Goose, Gyro Gearloose |
| 8 | Pensando PraticamenteW CND 19-03 | Story | 4 | | Jack Bradbury | The Big Bad Wolf, Fiddler Pig, Fifer Pig, Practical Pig, The three little pigs |
| 9 | Pajeando Pela TelevisãoW OS 1055-04 | Story | 6 | Bob Gregory | Carl Barks | Daisy Duck, Donald Duck, Huey, Dewey and Louie |
| 10 | O Cérebro EletrônicoW OS 1053-04 | Story | 6 | Vic Lockman | Tony Strobl, John Liggera | Gilbert, Goofy |
| 11 | Construíram Robô, Saíram "Robados"S 65149 | Story | 6 | Don Christensen | Jim Fletcher, Ellis Eringer | Donald Duck, Huey, Dewey and Louie |
| 12 | "Pensinventando"S 65032 | Story | 8 | | Fred Abranz | Gyro Gearloose, Huey, Dewey and Louie, Mickey Mouse |
| 13 | A Tartaruga de FerroW MM 125-03 | Story | 4 | | John Carey | The Beagle Boys, The Junior Woodchucks, Uncle Scrooge |
| 14 | No Império SubmarinoW OS 194-02 | Story | 20 | | Bill Wright | Goofy, Mickey Mouse |
| 15 | O Monstro das ProfundezasW WDC 325-01 | Story | 10 | | Tony Strobl | Donald Duck, Gyro Gearloose |
| 16 | O Segredo da MagaS 65173 | Story | 9 | | Jim Fletcher | Granny De Spell, Magica De Spell, Mad Madam Mim, Uncle Scrooge, Ed and Al |
| 17 | O Degelador de NeveW OS 1073-04 | Story | 6 | Vic Lockman | Carl Barks | Bossy, Grandma Duck, Gyro Gearloose, Huey, Dewey and Louie, Gyro's Helper |
| 18 | E O Seu PedrificadorW WDC 241-01 | Story | 11 | Carl Barks | Carl Barks | Donald Duck, Huey, Dewey and Louie, Uncle Scrooge |
| 19 | O Autômato Maravilhoso do PatetaW OS 401-02 | Story | 19 ½ | Dick Moores | Dick Moores | Charlie, Goofy, Great Elmer, Inspector Casey, Little Echo, Mickey Mouse |
| 20 | O Artista MecânicoW US 54-03 | Story | 4 | | Tony Strobl, Steve Steere | Gyro Gearloose, Gyro's Helper |
| 21 | A Máquina de FilmarW WDC 257-02 | Story | 10 | Carl Barks | Carl Barks | April May and June, Donald Duck, Huey, Dewey and Louie |
| 22 | A Máquina dos DesejosS 66109 | Story | 6 | | Jack Bradbury, Ellis Eringer | Donald Duck, Gyro Gearloose, Huey, Dewey and Louie, Uncle Scrooge |
| 23 | A "Coisa" da NeveW MM 120-01 | Story | 22 | | Paul Murry | Goofy, Mickey Mouse |
| 24 | MaquinópolisW OS 1184-02 | Story | 10 | | Carl Barks | Donald Duck, Gyro Gearloose, Huey, Dewey and Louie, Gyro's Helper, Uncle Scrooge |
| 25 | ÍndiceB DER 15-IIIndex page | Illustration | ¼ | | | Gyro Gearloose |
Brazil, in Brazilian Portuguese